/**
 * Copyright 2019 吉鼎科技.

 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.easyplatform.castor.castor;

import cn.easyplatform.castor.Castor;
import cn.easyplatform.castor.Castors;
import cn.easyplatform.castor.FailToCastObjectException;

import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Iterator;

@SuppressWarnings({ "rawtypes" })
public class Collection2Array extends Castor<Collection, Object> {

	public Collection2Array() {
		this.fromClass = Collection.class;
		this.toClass = Array.class;
	}

	@Override
	public Object cast(Collection src, Class<?> toType, String... args)
			throws FailToCastObjectException {
		Class<?> compType = toType.getComponentType();
		Object ary = Array.newInstance(compType, src.size());
		int index = 0;
		for (Iterator it = src.iterator(); it.hasNext();) {
			Array.set(ary, index++, Castors.me().castTo(it.next(), compType));
		}
		return ary;
	}

}
